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D
dm-31-Visitor
1-Visitor
February 11, 2015
Question

Quries while customizing for iTNC530 Heidenhain

  • February 11, 2015
  • 1 reply
  • 2566 views

Hi,

I am trying to create a post-processor for Heidenhain iTNC 530 controller.

I have few questions in writing blocks to PP from Creo.

1. How to add BLK FORM 0.1 Z X-0 Y-0 Z-77 from CAD?

2. What options in option file generator or Creo has to be enabled/ disabled for M127, M129?

--

Dhinesh


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1 reply

G
gkoch1-Visitor
1-Visitor
February 19, 2015

1. Do you mean to have sequence numbers go 0.1, 0.2, 0.3 ...?

Have you tried with Start Sequence Number and Increment set to 0.1000000?

2. Looks like these are register to switch off special functions M126 and M128 on this machine, right? There is probably no standard function in GPOST.

But you can always insert a comment or CL Command into the toolpath and use FIL programming in the postprocessor to get triggered by this comment/command.

Then you can modify the output code, e.g. you may simply use an INSERT command to enter " M126" into the machine code.

Using FIL is a mighty tool to tweak the machine code to your needs, but it is not easy. But it is used in most sample postprocessors, so you may learn from them.


D
dm-31-VisitorAuthor
1-Visitor
February 23, 2015

Koch,

That's actually a useful answer switching off functions.

But BLK FORM is associated with calculation of stock size, which I am clueless where and how to add.

I am able to generate the below out put where I can use FIL to edit seq numbers.

%

HEIDENHAIN DRILL PROG

N1 (Date:02/13/15 Time:11:53:29)

N2 M127

N3 M129

N4 T1 M6

N5 S1000 M3

N6 L0 X+80. Y+50. F M8

N7 Z+5. F

N8 L0 Z+1. F

N9 L1 X+80. Y+50. Z-25.258 F500.

N10 L0 Z+1. F

N11 Z+5. F

N12 M5

N13 M127

N14 M129

%

Also looking to customize output as attached.

10 L Z+100 R0 FMAX

11 CYCL DEF 240 CENTERING

Q200=2 ;SETUP CLEARANCE

Q343=1 ;SELECT DEPTH/DIA.

Q201=+0 ;DEPTH

Q344=-9 ;DIAMETER

Q206=250 ;FEED RATE FOR PLNGNG

Q211=0.1 ;DWELL TIME AT DEPTH

Q203=+20 ;SURFACE COORDINATE

Q204=100 ;2ND SETUP CLEARANCE

12 CYCL CALL POS X+30 Y+20 Z+0 FMAX M3

13 CYCL CALL POS X+80 Y+50 Z+0 FMAX

--

Dhinesh

O
OsvaldoItaly4-Participant
4-Participant
April 11, 2015

Hi

try using this macro in your FIL

In XSIZE, YSIZE and ZSIZE you should have the 3 dimensions of your piece

Pass then to your INSERT/'BLK FORM ', xsize,' Y ....

Osvaldo

GETSIZ = MACRO /

$$ Macro to find the sheet size

$$ PPRINT / SIZE : xval X yval X thickness

$$ PPRINT before the first LOADTL

$$ Return OKSIZ 0:not found 1:found

$$

$$ Text variables

CTSIZE=TEXT/'SIZE'

COLON=TEXT/':'

XMULT=TEXT/'X'

$$

LPOS=POSTF(7,1)+1 $$ Current CL position

DO / ENDO1, ILOOP=1, 10

DMY=POSTF(14) $$ read next CL record

CLC=POSTF(7,2) $$ CL rec class

SCL=POSTF(7,3) $$ CL rec sub-class

IF (CLC.EQ.2000.AND.SCL.EQ.ICODEF(LOADTL))THEN

OKSIZ=0 $$ PPRINT/SIZE not found

ILOOP=11 $$ Exit the loop

ELSE

IF (CLC.EQ.2000.AND.SCL.EQ.ICODEF(PPRINT)) THEN

TPPR=TEXT/CLW $$ PPRINT text

TPPR=TEXT/OMIT,TPPR,1 $$ Omit trailing blanks

OKSIZ=INDXF(TPPR,TSIZE) $$ look for word SIZE

IF (OKSIZ.NE.0) THEN

ILOOP=11 $$ Exit the loop

$$

$$ Extract the sheet size PPRINT/ SIZE : xval X yval X zval

$$

ICOL=INDXF(TPPR,COLON) $$ Position of :

ILEN=CANF(TPPR,1) $$ Length of string

TPPR=TEXT/RANGE,TPPR,ICOL+1,ILEN $$ Extract after :

IX=INDXF(TPPR,XMULT) $$ Position of first X

STX=TEXT/RANGE,TPPR,1,IX-1 $$ Extract X value

ILEN=CANF(TPPR,1) $$ Length of string

TPPR=TEXT/RANGE,TPPR,IX+1,ILEN $$ extract second part after first X

ILEN=CANF(TPPR,1) $$ Length of string

IX=INDXF(TPPR,XMULT) $$ Position of first X

STY=TEXT/RANGE,TPPR,1,IX-1 $$ Extract Y value

STZ=TEXT/RANGE,TPPR,IX+1,ILEN $$ Extract Z value

$$ Debug : INSERT/'STX=',STX,'STY=',STY,'STZ=',STZ,'$'

$$ Conversion to real

XSIZE=SCALF(STX)

YSIZE=SCALF(STY)

ZSIZE=SCALF(STZ)

ELSE

ILOOP=1 $$ Continue the loop

ENDIF

ELSE

ILOOP=1 $$ Continue the loop

ENDIF

ENDIF

ENDO1) CONTIN

$$ return initial position in CL

RSLT=POSTF(15,CLPOS)

TERMAC

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